<!DOCTYPE html>
<html lang="zh">
<head>
  <meta charset="UTF-8">
  <title>vue demo</title>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.min.js"></script>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue-router/3.4.8/vue-router.js"></script>
  <!-- 这里需要添加 defer 属性，或者将此引用移到 body 下面 -->
  <script defer src="./vue-render.js"></script>
</head>
<body>
  <div id="app"></div>
</body>
</html>